content: /**
   * Copyright (c) 2016-present, RxJava Contributors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
   * compliance with the License. You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under the License is
   * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
   * the License for the specific language governing permissions and limitations under the License.
   */
  
  package io.reactivex.common.internal.functions;
  
  import static org.junit.Assert.assertEquals;
  
  import org.junit.Test;
  
  import io.reactivex.common.TestCommonHelper;
  
  public class ObjectHelperTest {
  
      @Test
      public void utilityClass() {
          TestCommonHelper.checkUtilityClass(ObjectHelper.class);
      }
  
      @Test
      public void hashCodeOf() {
          assertEquals(0, ObjectHelper.hashCode(null));
  
          assertEquals(((Integer)1).hashCode(), ObjectHelper.hashCode(1));
      }
  
      @Test
      public void verifyPositiveInt() throws Exception {
          assertEquals(1, ObjectHelper.verifyPositive(1, "param"));
      }
  
      @Test
      public void verifyPositiveLong() throws Exception {
          assertEquals(1L, ObjectHelper.verifyPositive(1L, "param"));
      }
  
      @Test(expected = IllegalArgumentException.class)
      public void verifyPositiveIntFail() throws Exception {
          assertEquals(-1, ObjectHelper.verifyPositive(-1, "param"));
      }
  
      @Test(expected = IllegalArgumentException.class)
      public void verifyPositiveLongFail() throws Exception {
          assertEquals(-1L, ObjectHelper.verifyPositive(-1L, "param"));
      }
  
      @Test
      public void compare() {
          assertEquals(-1, ObjectHelper.compare(0, 2));
          assertEquals(0, ObjectHelper.compare(0, 0));
          assertEquals(1, ObjectHelper.compare(2, 0));
      }
  }
  